Lead titanate

Lead(II) titanate is an inorganic compound with the chemical formula PbTiO₃. It is the lead salt of titanic acid and has a high ratio of k33 to kp with a high kt. Lead(II) titanate is a yellow powder that is insoluble in water.

At high temperatures, lead titanate adopts a cubic perovskite structure. At 760 K, the material undergoes a second order phase transition to a tetragonal perovskite structure which exhibits ferroelectricity. Lead titanate is one of the end members of the lead zirconate titanate (Pb[Zr_xTi_1-x]O₃ 0≤x≤1, PZT) system, which is technologically one of the most important ferroelectric and piezoelectric ceramics.

单词	Lead titanate
释义	Lead titanate 英语百科 Lead titanate Lead(II) titanate is an inorganic compound with the chemical formula PbTiO₃. It is the lead salt of titanic acid and has a high ratio of k33 to kp with a high kt. Lead(II) titanate is a yellow powder that is insoluble in water. At high temperatures, lead titanate adopts a cubic perovskite structure. At 760 K, the material undergoes a second order phase transition to a tetragonal perovskite structure which exhibits ferroelectricity. Lead titanate is one of the end members of the lead zirconate titanate (Pb[Zr_xTi_1-x]O₃ 0≤x≤1, PZT) system, which is technologically one of the most important ferroelectric and piezoelectric ceramics.
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